2015
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
321063 |
2371 |
- |
2436 |
= |
-65 |
* |
(115 |
/ |
433)
|
= |
-17.26327941 |
4 |
321066 |
2410 |
- |
2485 |
= |
-75 |
* |
(99 |
/ |
433)
|
= |
-17.14780598 |
5 |
321067 |
2438 |
- |
2528 |
= |
-90 |
* |
(116 |
/ |
433)
|
= |
-24.11085447 |
6 |
321070 |
2466 |
- |
2552 |
= |
-86 |
* |
(103 |
/ |
433)
|
= |
-20.45727477 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Birney Elementary
|
-79 |
2016
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
9580 |
2405 |
- |
2436 |
= |
-31 |
* |
(111 |
/ |
428)
|
= |
-8.03971961 |
4 |
9581 |
2428 |
- |
2485 |
= |
-57 |
* |
(109 |
/ |
428)
|
= |
-14.51635513 |
5 |
9583 |
2422 |
- |
2528 |
= |
-106 |
* |
(95 |
/ |
428)
|
= |
-23.5280373 |
6 |
9586 |
2474 |
- |
2552 |
= |
-78 |
* |
(113 |
/ |
428)
|
= |
-20.5934579 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Birney Elementary
|
-67 |
2017
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
9908 |
2414 |
- |
2436 |
= |
-22 |
* |
(95 |
/ |
414)
|
= |
-5.04830918 |
4 |
9910 |
2441 |
- |
2485 |
= |
-44 |
* |
(113 |
/ |
414)
|
= |
-12.0096618 |
5 |
9912 |
2417 |
- |
2528 |
= |
-111 |
* |
(106 |
/ |
414)
|
= |
-28.42028982 |
6 |
9914 |
2438 |
- |
2552 |
= |
-114 |
* |
(100 |
/ |
414)
|
= |
-27.5362318 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Birney Elementary
|
-73 |
2018
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
9926 |
2406 |
- |
2436 |
= |
-30 |
* |
(105 |
/ |
393)
|
= |
-8.01526716 |
4 |
9927 |
2462 |
- |
2485 |
= |
-23 |
* |
(100 |
/ |
393)
|
= |
-5.8524173 |
5 |
9930 |
2450 |
- |
2528 |
= |
-78 |
* |
(93 |
/ |
393)
|
= |
-18.45801524 |
6 |
9931 |
2469 |
- |
2552 |
= |
-83 |
* |
(95 |
/ |
393)
|
= |
-20.06361316 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Birney Elementary
|
-52 |
2019
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
10006 |
2419 |
- |
2436 |
= |
-17 |
* |
(129 |
/ |
429)
|
= |
-5.1118881 |
4 |
10007 |
2460 |
- |
2485 |
= |
-25 |
* |
(104 |
/ |
429)
|
= |
-6.06060605 |
5 |
10008 |
2452 |
- |
2528 |
= |
-76 |
* |
(102 |
/ |
429)
|
= |
-18.06993001 |
6 |
10009 |
2497 |
- |
2552 |
= |
-55 |
* |
(94 |
/ |
429)
|
= |
-12.05128205 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Birney Elementary
|
-41 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-79
|
-67
|
-73
|
-52
|
-41
|
-312.0 |
-62.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: